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r"""
The ``codes`` object defines a mapping from common names for HTTP statuses
to their numerical codes, accessible either as attributes or as dictionary
items.

Example::

    >>> import requests
    >>> requests.codes['temporary_redirect']
    307
    >>> requests.codes.teapot
    418
    >>> requests.codes['\o/']
    200

Some codes have multiple names, and both upper- and lower-case versions of
the names are allowed. For example, ``codes.ok``, ``codes.OK``, and
``codes.okay`` all correspond to the HTTP status code 200.
"""

from .structures import LookupDict

_codes = {
    # Informational.
    100: ("continue",),
    101: ("switching_protocols",),
    102: ("processing", "early-hints"),
    103: ("checkpoint",),
    122: ("uri_too_long", "request_uri_too_long"),
    200: ("ok", "okay", "all_ok", "all_okay", "all_good", "\\o/", "✓"),
    201: ("created",),
    202: ("accepted",),
    203: ("non_authoritative_info", "non_authoritative_information"),
    204: ("no_content",),
    205: ("reset_content", "reset"),
    206: ("partial_content", "partial"),
    207: ("multi_status", "multiple_status", "multi_stati", "multiple_stati"),
    208: ("already_reported",),
    226: ("im_used",),
    # Redirection.
    300: ("multiple_choices",),
    301: ("moved_permanently", "moved", "\\o-"),
    302: ("found",),
    303: ("see_other", "other"),
    304: ("not_modified",),
    305: ("use_proxy",),
    306: ("switch_proxy",),
    307: ("temporary_redirect", "temporary_moved", "temporary"),
    308: (
        "permanent_redirect",
        "resume_incomplete",
        "resume",
    ),  # "resume" and "resume_incomplete" to be removed in 3.0
    # Client Error.
    400: ("bad_request", "bad"),
    401: ("unauthorized",),
    402: ("payment_required", "payment"),
    403: ("forbidden",),
    404: ("not_found", "-o-"),
    405: ("method_not_allowed", "not_allowed"),
    406: ("not_acceptable",),
    407: ("proxy_authentication_required", "proxy_auth", "proxy_authentication"),
    408: ("request_timeout", "timeout"),
    409: ("conflict",),
    410: ("gone",),
    411: ("length_required",),
    412: ("precondition_failed", "precondition"),
    413: ("request_entity_too_large", "content_too_large"),
    414: ("request_uri_too_large", "uri_too_long"),
    415: ("unsupported_media_type", "unsupported_media", "media_type"),
    416: (
        "requested_range_not_satisfiable",
        "requested_range",
        "range_not_satisfiable",
    ),
    417: ("expectation_failed",),
    418: ("im_a_teapot", "teapot", "i_am_a_teapot"),
    421: ("misdirected_request",),
    422: ("unprocessable_entity", "unprocessable", "unprocessable_content"),
    423: ("locked",),
    424: ("failed_dependency", "dependency"),
    425: ("unordered_collection", "unordered", "too_early"),
    426: ("upgrade_required", "upgrade"),
    428: ("precondition_required", "precondition"),
    429: ("too_many_requests", "too_many"),
    431: ("header_fields_too_large", "fields_too_large"),
    444: ("no_response", "none"),
    449: ("retry_with", "retry"),
    450: ("blocked_by_windows_parental_controls", "parental_controls"),
    451: ("unavailable_for_legal_reasons", "legal_reasons"),
    499: ("client_closed_request",),
    # Server Error.
    500: ("internal_server_error", "server_error", "/o\\", "✗"),
    501: ("not_implemented",),
    502: ("bad_gateway",),
    503: ("service_unavailable", "unavailable"),
    504: ("gateway_timeout",),
    505: ("http_version_not_supported", "http_version"),
    506: ("variant_also_negotiates",),
    507: ("insufficient_storage",),
    509: ("bandwidth_limit_exceeded", "bandwidth"),
    510: ("not_extended",),
    511: ("network_authentication_required", "network_auth", "network_authentication"),
}

codes = LookupDict(name="status_codes")


def _init():
    for code, titles in _codes.items():
        for title in titles:
            setattr(codes, title, code)
            if not title.startswith(("\\", "/")):
                setattr(codes, title.upper(), code)

    def doc(code):
        names = ", ".join(f"``{n}``" for n in _codes[code])
        return "* %d: %s" % (code, names)

    global __doc__
    __doc__ = (
        __doc__ + "\n" + "\n".join(doc(code) for code in sorted(_codes))
        if __doc__ is not None
        else None
    )


_init()